boot network waiting error

I have found the cause of this is having any interfaces defined in /etc/network/interfaces ( besides lo ) defined as auto. To correct this problem, the recommended solution is to remove your interfaces from this file, and set them up with network manager. Leaving /etc/network/interfaces looking like the default:

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nano/etc/init/failsafe.conf

Around 25 lines down in the file you will see a section:

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# Plymouth errors should not stop the script because we *must* reach

# the end of this script to avoid letting the system spin forever

# waiting on it to start.

$PLYMOUTH message--text="Waiting for network configuration..."||:

sleep40

$PLYMOUTH message--text="Waiting up to 60 more seconds for network configuration..."||:

sleep59

$PLYMOUTH message--text="Booting system without full network configuration..."||:

Tosolve the problem,you can just remove the calls tosleep,by commenting the out(orat least reduce the wait time ifyour network really does need towait)

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# Plymouth errors should not stop the script because we *must* reach

# the end of this script to avoid letting the system spin forever

# waiting on it to start.

$PLYMOUTH message--text="Waiting for network configuration..."||:

#sleep 4

$PLYMOUTH message--text="Waiting up to 60 more seconds for network configuration..."||:

#sleep 2

$PLYMOUTH message--text="Booting system without full network configuration..."||: